public class Training07 {
    public static void main(String[] args) {
        printStar();
        printMul();
    }
//    demo 1.利用双重for循环制作输出一个直角等腰三角形
    public static void printStar(){
        for (int i=1;i<=9;i++){
            for (int j =1; j<=i;j++){
                System.out.print("*");
            }
            System.out.print("\n");
        }
    }
    public static void printMul(){
        for (int i =1;i<=9;i++){
            for (int j=1; j<=i;j++) {
                System.out.print(j+"*"+i+"="+i*j+"\t");
            }System.out.println("");
        }
    }
}
